Product Brief SiI 3723 SteelVine® Series 3 Core Third Generation SATA Port Multiplier Storage Processor Applications • PC Motherboards • DVR Motherboards The SteelVine® Series 3 Core SiI3723 is a one-to-two Serial ATA (SATA) Port Multiplier • CE Motherboards designed to provide a high-performance link between a single SATA host port and two SATA • Storage Enclosures device ports. The SiI3723 supports host and device link rates of 1.5 Gbps or 3 Gbps with auto-negotiation, giving system designers or end users the flexibility to choose 1.5 Gbps or 3 Gbps SATA hard drives. Key Features • Storage SATA Port Multiplier The SteelVine Series 3 Core SiI3723 Port total bandwidth near the combined speed of both Multiplier extends the capabilities of SATA host drives. SiI3723 automatically switches between ports, providing an internal or external port modes based on the SATA host controller abilities. (eSATA) for multiple drives to enable a more effi- The three ports have LED pins to show activity shift to Gen 1 as cient use of the SATA bus bandwidth. and link. No external memory components are needed necessary. SiI3723 features two operating modes. In SATA SiI3723 port multiplier supports JBOD mode. like a multiplexing switch whereby each drive is SiI3723 reduces your power budget by entering visible and the target is addressed using a single aggressive power down modes when drive(s) are hardware queue in the SATA host controller. In idle or not present. FIS-based switching mode, SiI3723 operates like a multiple ques in an advanced SATA host controller, commands are overlapped to drive the SiI3723 System Diagram device ports • Automatic down • LED pins for each PHY command-based switching mode, SiI3723 operates smart multiplexor. Each drive is visible, and, using • eSATA capable The strap pins are used to set PHY levels for cable and trace length optimization. There are also optional pins to enhance performance. • Enhanced performance option SiI3723 FIS-based switching To use this mode, the host con- Features Serial ATA Host Interface Features Electrical Specifications • SATA 2.6 spec. and UTD 1.3 test compliant • 3.3V IO supply, 1.8V core supply • Serial ATA Gen2m compliance • 0.55 watts (typical) troller must have a multi-level • eSATA and 2-meter cable support hardware queue and support • 3 Gbps (auto-negotiates to 1.5 Gbps) Environmental FIS-based SATA switching. • Bypass mode for all commands • Operating temperature: 0ºC to 70ºC • Operating relative humidity: 5% to 80% When the host software alternates commands to the Device Interface Features drives, the commands are • SATA 2.6 spec. and UTD 1.3 test compliant able to overlap using the • Non-operating relative humidity: 5% to 95% • Serial ATA Gen2m compliance Physical Specifications • eSATA and 2-meter cable support • 40-pin QFN w/Epad (0.5mm pitch) ingful packets. The • 3 Gbps (auto-negotiates to 1.5 Gbps) • 6mm x 6mm concurrent access and • Independent 8 KB FIFO / Port restructuring enables the • Power management capabilities combined speed of both • Supports hot plug drives to use the full band- • Supports ATAPI & asynchronous notification hardware queue and restructure the data back into mean- Additional SteelVine features • Integrated Power on Reset Circuit width of the 3Gbps SATA host bus. Silicon Image, Inc. 1060 E. Arques Avenue Sunnyvale, CA 94085 T 408.616.4000 F 408.830.9530 www.siliconimage.com © 2009 Silicon Image, Inc. All rights reserved. Silicon Image, the Silicon Image logo, SteelVine, the SteelVine logo, SiI and SiI3723 are trademarks or registered trademarks of Silicon Image, Inc. in the United States and other countries. Other trademarks are property of their respective holders. Product specifications are subject to change without notice. Part Number: SiI3723 Si- PB-1055 rev3 9/09